Looking for the perfect present for the Twitter addict in your life? Here's a look at 10 ideas, from jeans that tweet your mood (seriously) to Twitter collars for your pet.

Accessorize yourself for your next conference with a pair of hashtag earrings from Etsy. The earrings are hand-cut from sterling silver, and you can choose a matte or shiny finish. They measure 7mm and retail for $35.

Want to gain Twitter followers everywhere you go? You can customize this t-shirt, which retails for about $30, with your Twitter handle and order it in your favorite color. For free shipping (a $5 value), enter the code CUSTOMER1006 at checkout.

Tweet Rings are available in steel, silver and titanium, and you can have them engraved with your favorite 140-character update. Not sure what you want engraved? You can search your most recent tweets for the perfect message, or search other public Twitter accounts for something that catches your eye.

Replay, an Italian denim company, developed jeans that—yes—tweet your mood. The jeans feature a vinyl pocket with a chip that synchs to your Android or iPhone via Bluetooth. One you're connected, you can click to share your mood with friends on Facebook or Twitter.

The jeans are capable of sharing eight different moods, from positive to negative, and retail for about $200.

Looking for a snarky way to address tailgaters? This aluminum license plate measures 12-by-6 inches and retails for $20. Before you buy one, make sure your state does not require operational vehicles to have two license plates.